diff --git a/dotnet-free-oss-services.md b/dotnet-free-oss-services.md
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--- a/dotnet-free-oss-services.md
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@@ -43,6 +43,7 @@ Please sort projects alphabetically and provide a one-line description. Where po
 ## Analytics and Error Reporting
 
 * [Bugsnag](https://bugsnag.com/blog/bugsnag-loves-open-source) - Cross platform error reporting.
+* [elmah.io](https://elmah.io/sponsorship/opensource/) - Error logging and uptime monitoring for .NET.
 * [Sentry](https://sentry.io/for/open-source/) - Cross platform error reporting.
 
 ## Cloud Resources and Services